# Study Academy vs ZenAI

The clearest difference is in-app purchases: Study Academy at none against ZenAI's 3. Study Academy also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.5). ZenAI's advantage is update cadence (every 2 days vs weekly). On price and ads there is nothing between them.

Both are free to download. ZenAI sells 3 one-off in-app purchases. Study Academy asks for nothing beyond the download.

Study Academy ships an update weekly, ZenAI every 2 days. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Study Academy | ZenAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 39 MB | 6 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Mostafa](https://appshunter.io/developer/1877523123) | [ZenStudy Technologies - FZCO](https://appshunter.io/developer/1782979211) |

## What reviewers say

### Study Academy

[App page](https://appshunter.io/ios/app/study-academy/id6739646050)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenAI

[App page](https://appshunter.io/ios/app/zenai-study-smarter/id6747843527)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Credit | $0.99 | one-time |
| 5 Credits | $3.99 | one-time |
| 10 Credits | $5.99 | one-time |


## Frequently asked questions

### Is Study Academy free?

Study Academy is free to download, with no in-app purchases.

### Is ZenAI free?

ZenAI is free to download, with in-app purchases available.

### Do Study Academy or ZenAI have ads?

Neither Study Academy nor ZenAI shows ads.

### Which is updated more often, Study Academy or ZenAI?

Study Academy ships an update weekly, and ZenAI every 2 days. Most recently, Study Academy was updated on September 7, 2026 and ZenAI on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*